Supplementary Table 1.

Sample characteristics by gender.

	ALL	Boy	Girl	P
Sample size	46639	23743 (50.9%)	22896 (49.1%)
Height (cm)	145.86±17.09	146.88±18.48	144.79±15.45	<0.001
6–13 years	139.90±14.66	140.20±14.92	139.62±14.37	<0.001
14–17 years	164.81±8.20	170.52±6.78	159.73±5.60	<0.001
Weight (kg)	41.07±15.64	42.48±17.06	39.62±13.87	<0.001
6–13 years	36.11±13.07	37.13±13.87	34.99±12.05	<0.001
14–17 years	56.94±12.24	61.38±13.46	52.98±9.42	<0.001
Waist circumference (cm)	64.89±10.83	66.00±11.61	63.74±9.84	<0.001
6–13 years	62.56±10.23	63.75±10.93	61.26±9.24	<0.001
14–17 years	72.32±9.24	73.94±10.37	70.89±7.82	<0.001
Hip circumference (cm)	77.15±12.09	77.03±12.20	77.27±11.97	0.032
6–13 years	73.33±10.68	73.45±10.68	73.20±10.67	0.03
14–17 years	89.35±7.31	89.69±8.13	89.04±6.49	<0.001
Father’s education (%)
Low	70.2	70.8	69.7	0.015
High	29.8	29.2	30.3
Mother’s education (%)
Low	72.7	73.1	72.3	0.088
High	27.3	26.9	27.7
Dietary pattern (servings/day)
Fruit	1.28±1.07	1.27±1.11	1.30±1.03	0.002
6–13 years	1.34±1.09	1.33±1.13	1.35±1.05	0.065
14–17 years	1.11±0.99	1.06±1.01	1.16±0.97	<0.001
Vegetable	1.80±1.41	1.81±1.44	1.79±1.38	0.078
6–13 years	1.81±1.41	1.81±1.44	1.82±1.37	0.791
14–17 years	1.76±1.42	1.81±1.45	1.71±1.39	<0.001
Sugar beverage	0.39±0.72	0.47±0.83	0.31±0.58	<0.001
6–13 years	0.33±0.63	0.38±0.72	0.27±0.52	<0.001
14–17 years	0.60±0.92	0.80±1.07	0.43±0.72	<0.001
Meat	1.14±1.16	1.27±1.27	1.02±1.02	<0.001
6–13 years	1.13±1.14	1.23±1.24	1.01±1.00	<0.001
14–17 years	1.20±1.22	1.39±1.35	1.02±1.06	<0.001

P value presented as the difference between boys and girls.